点击按钮时取消UIGestureRecognizer？

Question

UIGestureRecognizer点击按钮时是否可以取消？

Answer 1

- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch{
    // test if our control subview is on-screen
    if([gestureRecognizer isMemberOfClass:[UITapGestureRecognizer class]]){
        if ([touch.view isKindOfClass:[UIButton class]]) {
            return NO; // ignore the touch
        }
    }
    return YES; // handle the touch
}